Respuesta :
Answer:
He needs to sell 530 more hotdogs :)
Step-by-step explanation:
well as you can see 70 is half of 140 so its $2 for 1 hot dog, for if you multiply 300 by 2 you get 600, but it says how many MORE do you would subtract 70 from 600 to get 530.
pls mark me brainliest
hope this helps